Question

(a) a(a + 4)+3a (2a² -1)+4a2 +4 at a = -2 pls solve both of them
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Answer 1

Answer:-4

Step-by-step explanation:

when a= - 2

a(a+4)+3a (2a square - 1)+ 4a square +4

-2 (-2+4)+3* -2(2*-2*-2-1)+ 4 *-2*-2+4

-2*2+3*-2(8-1)+4*4+4

-4-6-2*7+16+4

-10-14+20

-24+20

-4